Revert of Add support for codepen to form_based_credentials_background

tools/telemetry/telemetry/core/backends/codepen_credentials_backend.py

Index: tools/telemetry/telemetry/core/backends/codepen_credentials_backend.py
diff --git a/tools/telemetry/telemetry/core/backends/codepen_credentials_backend.py b/tools/telemetry/telemetry/core/backends/codepen_credentials_backend.py
deleted file mode 100644
index a12ae4b0c179c14f59a1e5dcebbbd2ed3242fbaa..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/backends/codepen_credentials_backend.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-from telemetry.core.backends import form_based_credentials_backend
-
-
-class CodePenCredentialsBackend(
-    form_based_credentials_backend.FormBasedCredentialsBackend):
-
-  @property
-  def logged_in_javascript(self):
-    """Evaluates to true iff already logged in."""
-    return 'document.querySelector(".login-area") === null'
-
-  @property
-  def credentials_type(self):
-    return 'codepen'
-
-  @property
-  def url(self):
-    return 'https://codepen.io/login'
-
-  @property
-  def login_form_id(self):
-    return 'login-login-form'
-
-  @property
-  def login_button_javascript(self):
-    return """
-        LoginSettings.timeOnPageStartTime = 0;
-        document.getElementById("log-in-button").click();
-        """
-
-  @property
-  def login_input_id(self):
-    return 'login-email-field'
-
-  @property
-  def password_input_id(self):
-    return 'login-password-field_'